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Operation on every pair of element in a list
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edited Jun 3 '09 at 18:12
answered Jun 3 '09 at 0:24
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Assigning default value while creating migration file
...olumn :tweet, :retweets_count, :integer, :null => false, :default => 0
... and read Rails API
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Test if number is odd or even
...n which will return true if $number is even, false if odd:
$number % 2 == 0
Works for every integerPHP value, see as well Arithmetic OperatorsPHP.
Example:
$number = 20;
if ($number % 2 == 0) {
print "It's even";
}
Output:
It's even
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Plot logarithmic axes with matplotlib in python
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You can use the Axes.set_yscale method. That allows you to change the scale after the Axes obje...
How to determine if a number is odd in JavaScript
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Use the below code:
function isOdd(num) { return num % 2;}
console.log("1 is " + isOdd(1))...
Formatting Numbers by padding with leading zeros in SQL Server
We have an old SQL table that was used by SQL Server 2000 for close to 10 years.
13 Answers
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How can I scale an entire web page with CSS?
...{
zoom: 3;
-moz-transform: scale(3);
-moz-transform-origin: 0 0;
}
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Pandas convert dataframe to array of tuples
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10 Answers
10
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C#: how to get first char of a string?
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Just MyString[0]. This uses the String.Chars indexer.
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